diff --git a/pom.xml b/pom.xml
index d99cebc9b..b7b24a6d8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
   </parent>
   <groupId>org.sonarsource.sonarlint.ls</groupId>
   <artifactId>sonarlint-language-server</artifactId>
-  <version>3.14-SNAPSHOT</version>
+  <version>3.13.1-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>SonarLint Language Server</name>
   <description>SonarLint Language Server</description>
@@ -24,7 +24,7 @@
 
   <properties>
     <jdk.min.version>17</jdk.min.version>
-    <sonarlint.core.version>10.11.0.79687</sonarlint.core.version>
+    <sonarlint.core.version>10.11.1.79701</sonarlint.core.version>
     <!-- Version used by Xodus -->
     <kotlin.version>1.6.10</kotlin.version>
     <!-- analyzers used for tests -->
diff --git a/src/main/java/org/sonarsource/sonarlint/ls/file/VersionedOpenFile.java b/src/main/java/org/sonarsource/sonarlint/ls/file/VersionedOpenFile.java
index 06f8c831b..784758c15 100644
--- a/src/main/java/org/sonarsource/sonarlint/ls/file/VersionedOpenFile.java
+++ b/src/main/java/org/sonarsource/sonarlint/ls/file/VersionedOpenFile.java
@@ -20,6 +20,7 @@
 package org.sonarsource.sonarlint.ls.file;
 
 import java.net.URI;
+import javax.annotation.Nullable;
 import javax.annotation.concurrent.Immutable;
 import org.apache.commons.lang3.builder.ToStringBuilder;
 
@@ -33,7 +34,7 @@ public class VersionedOpenFile {
   private final int version;
   private final String content;
 
-  public VersionedOpenFile(URI uri, String languageId, int version, String content) {
+  public VersionedOpenFile(URI uri, @Nullable String languageId, int version, @Nullable String content) {
     this.uri = uri;
     this.languageId = languageId;
     this.version = version;
@@ -44,6 +45,7 @@ public URI getUri() {
     return uri;
   }
 
+  @Nullable
   public String getLanguageId() {
     return languageId;
   }
@@ -52,6 +54,7 @@ public int getVersion() {
     return version;
   }
 
+  @Nullable
   public String getContent() {
     return content;
   }
diff --git a/src/main/java/org/sonarsource/sonarlint/ls/folders/ModuleEventsProcessor.java b/src/main/java/org/sonarsource/sonarlint/ls/folders/ModuleEventsProcessor.java
index 560a2d759..5f59242bc 100644
--- a/src/main/java/org/sonarsource/sonarlint/ls/folders/ModuleEventsProcessor.java
+++ b/src/main/java/org/sonarsource/sonarlint/ls/folders/ModuleEventsProcessor.java
@@ -79,7 +79,7 @@ private void notifyBackend(List<FileEvent> changes) {
       if (event.getType() == FileChangeType.Deleted) {
         deletedFileUris.add(fileUri);
       } else {
-        var clientFileDto = getClientFileDto(new VersionedOpenFile(fileUri, "", 0, ""));
+        var clientFileDto = getClientFileDto(new VersionedOpenFile(fileUri, null, 0, null));
         if (event.getType() == FileChangeType.Created) {
           addedFiles.add(clientFileDto);
         } else {
@@ -107,7 +107,8 @@ ClientFileDto getClientFileDto(VersionedOpenFile file) {
     AtomicReference<ClientFileDto> clientFileDto = new AtomicReference<>();
     var fileUri = file.getUri();
     var fsPath = Paths.get(fileUri);
-    SonarLanguage sqLanguage = AnalysisClientInputFile.toSqLanguage(file.getLanguageId().toLowerCase(Locale.ROOT));
+    SonarLanguage sqLanguage = file.getLanguageId() != null ?
+      AnalysisClientInputFile.toSqLanguage(file.getLanguageId().toLowerCase(Locale.ROOT)) : null;
     workspaceFoldersManager.findFolderForFile(fileUri)
       .ifPresentOrElse(folder -> {
         var settings = folder.getSettings();